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Fix span of byte-escaped left format args brace

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Fix #102057.
This commit is contained in:
Cassaundra Smith 2022-09-23 16:26:17 -07:00
parent 4a14677239
commit e5096d4cba
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GPG Key ID: E8087B0F3D674D9B
3 changed files with 65 additions and 1 deletions
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2
compiler/rustc_parse_format/src/lib.rs
View File

@ -224,7 +224,7 @@ fn next(&mut self) -> Option<Piece<'a>> {
'{' => {
let curr_last_brace = self.last_opening_brace;
let byte_pos = self.to_span_index(pos);
let lbrace_end = InnerOffset(byte_pos.0 + 1);
let lbrace_end = self.to_span_index(pos + 1);
self.last_opening_brace = Some(byte_pos.to(lbrace_end));
self.cur.next();
if self.consume('{') {

19
src/test/ui/fmt/format-args-capture-issue-102057.rs Normal file
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@ -0,0 +1,19 @@
fn main() {
format!("\x7Ba}");
//~^ ERROR cannot find value `a` in this scope
format!("\x7Ba\x7D");
//~^ ERROR cannot find value `a` in this scope
let a = 0;
format!("\x7Ba} {b}");
//~^ ERROR cannot find value `b` in this scope
format!("\x7Ba\x7D {b}");
//~^ ERROR cannot find value `b` in this scope
format!("\x7Ba} \x7Bb}");
//~^ ERROR cannot find value `b` in this scope
format!("\x7Ba\x7D \x7Bb}");
//~^ ERROR cannot find value `b` in this scope
format!("\x7Ba\x7D \x7Bb\x7D");
//~^ ERROR cannot find value `b` in this scope
}

45
src/test/ui/fmt/format-args-capture-issue-102057.stderr Normal file
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@ -0,0 +1,45 @@
error[E0425]: cannot find value `a` in this scope
--> $DIR/format-args-capture-issue-102057.rs:2:18
|
LL | format!("\x7Ba}");
| ^ not found in this scope
error[E0425]: cannot find value `a` in this scope
--> $DIR/format-args-capture-issue-102057.rs:4:18
|
LL | format!("\x7Ba\x7D");
| ^ not found in this scope
error[E0425]: cannot find value `b` in this scope
--> $DIR/format-args-capture-issue-102057.rs:9:22
|
LL | format!("\x7Ba} {b}");
| ^ help: a local variable with a similar name exists: `a`
error[E0425]: cannot find value `b` in this scope
--> $DIR/format-args-capture-issue-102057.rs:11:25
|
LL | format!("\x7Ba\x7D {b}");
| ^ help: a local variable with a similar name exists: `a`
error[E0425]: cannot find value `b` in this scope
--> $DIR/format-args-capture-issue-102057.rs:13:25
|
LL | format!("\x7Ba} \x7Bb}");
| ^ help: a local variable with a similar name exists: `a`
error[E0425]: cannot find value `b` in this scope
--> $DIR/format-args-capture-issue-102057.rs:15:28
|
LL | format!("\x7Ba\x7D \x7Bb}");
| ^ help: a local variable with a similar name exists: `a`
error[E0425]: cannot find value `b` in this scope
--> $DIR/format-args-capture-issue-102057.rs:17:28
|
LL | format!("\x7Ba\x7D \x7Bb\x7D");
| ^ help: a local variable with a similar name exists: `a`
error: aborting due to 7 previous errors
For more information about this error, try `rustc --explain E0425`.